National Grid - Preliminary Results Interview With CEO

LONDON, May 20, 2010 - National Grid CEO Steve Holliday reflects on the international
electricity and gas company's full year results after profits before tax rose
12% to GBP1.974bn.

In an interview for financial broadcaster www.cantos.com he
updates the market on the current investment programme following the
company's record GBP3.3bn spend to keep all its major projects on track.

He also gives his thoughts on the regulatory environment, the current
state of US rate case filings and the outlook for the year ahead.

"We continue to drive efficiency across all our business and improve the
performance on our costs. So this will be another year of growth for National
Grid."

The interview and transcript are available now on www.cantos.com.

Cantos.com, the online financial broadcaster, features in-depth
interviews, documentaries and webcasts with senior company executives. If you
would like to contact us, please email akim.carter@cantos.com or phone
+44-207-936-1386.

If you would like to contact us, please email akim.carter at cantos.com or phone +44-207-936-1386.